Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"do voi duc snippets" » "do oi duc snippets", "do voi dac snippets", "do voi luc snippets", "doi voi duc snippets", "dao voi duc snippets", "do moi duc snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do voi duc snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( do voi duc snippets ) or ( python using data snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("do voi duc snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.